Web app root system property already set to different value:
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webAppRootKey是在java web项目的web.xml配置文件中表示项目的唯一标示,在Eclipse调试Web项目时,项目的路径是一个临时路径,不在真正的路径下,可以通过log4j日志的方式打印出属性值,来看看临时项目路径在哪里,可以用System.getProperty("web.sample.root");如果web.xm 内没有设置webAppRootKey项,是为默认设置,那么webAppRootKey就是缺省的"webapp.root"。
解决办法: 两个web应用中定义了相同的webAppRootKey或者都没有定义,则现在就需要为每个web都定义一个webAppRootKey。
### app1:
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>app1.root</param-value>
</context-param>
### app2:
<context-param>
<param-name>webAppRootKey</param-name>
<param-value>app2.root</param-value>
</context-param>
重新启用服务,然后进而测试!
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